Phantosmia as the first presentation of a cavernous sinus - clinoidal meningioma. 2020

Cezar Octavian Morosanu, and Philip J Clamp, and Mario K Teo
Department of Otolaryngology and Head & Neck Surgery, Bristol Royal Infirmary, Bristol, UK.

Cavernous sinus meningiomas (CSM) are complex skull base lesions that, due to their particular anatomical location, render surgical management difficult. Their symptomatology is versatile, and the clinical outcome is difficult to predict. We present the case of a 57-year old female patient who experienced phantosmia - an abnormal, persistent, olfactory sensation of cigarette smell for 18 months. MRI was performed and revealed a left cavernous sinus meningioma, extending into the left temporal fossa, with olfactory and optic nerve distortion. To our knowledge, this is the first reported case of phantosmia as the initial presentation of a lesion in the cavernous sinus.

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